-er bbb bbe bbf bbg bbh bbn bbo bbr be- beb bee bef beg beh ben beo ber bfb bfe bff bfg bfh bfn bfo bfr bgb bge bgf bgg bgh bgn bgo bgr bhb bhe bhf bhg bhh bho bhr bnb bne bnf bng bnn bno bnr bob boe bof bog boh bon boo bor brb bre brf brg brh brn bro brr ebb ebe ebf ebg ebh ebn ebo ebr eeb eee eef eeg een eeo eer ef- efb efe eff efg efh efo efr egb ege egf egg egh egn ego egr ehb ehe ehf ehg ehh ehn eho ehr en- enb ene enf eng enh enn eno enr eo- eob eoe eof eog eoh eon eoo eor erb ere erf erg erh ern ero err fbb fbe fbf fbg fbh fbn fbo fbr feb fee fef feg feh fen feo fer ffe fff ffg ffh ffn ffo ffr fgb fge fgf fgg fgh fgn fgr fhb fhe fhf fhg fhh fhn fho fhr fnb fne fnf fng fnh fnn fnr fob foe fof fog foh fon foo for frb fre frf frg frh frn fro frr gbe gbf gbg gbh gbn gbo gbr ge- geb gee gef geg geh gen geo ger gfb gfe gff gfh gfo gfr ggb ggg ggh ggn ggo ggr ghb ghe ghg ghh ghn gho ghr gnb gne gnf gnn gno gnr gob goe gof gog goh gon goo gor grb gre grf grg grh grn gro grr hbb hbe hbf hbg hbh hbn hbo hbr he- heb hee hef heg heh hen heo her hfb hfe hff hfg hfh hfn hfo hfr hgb hge hgf hgg hgh hgn hgo hgr hhb hhe hhf hhg hhh hhn hho hhr hnb hne hnf hng hnh hnn hno hob hoe hof hog hoh hon hoo hor hr- hrb hre hrf hrg hrh hrn hro hrr nbb nbe nbf nbg nbn nbo nbr ne- neb nee nef neg neh nen neo ner nfb nfe nff nfn nfo nfr ngb nge ngf ngg ngh ngn ngo nhb nhe nhf nhg nhh nhn nhr nnb nne nnf nng nnh nnn nno no- nob noe nof nog noh non noo nor nrb nre nrf nrg nrn nro nrr ob- obb obe obf obg obh obn obo obr oeb oee oef oeg oeh oen oeo oer of- ofb ofe off ofg ofn ofo ofr oge ogf ogg ogh ogn ogo ohe ohf ohg ohh ohn oho ohr on- onb one onf ong onh onn ono onr oo- oob oof oog ooh oon ooo oor or- orb ore orf org orh orn oro orr rbb rbe rbf rbg rbh rbn rbo rbr re- reb ree ref reg reh ren reo rer rfb rfe rff rfg rfh rfn rfo rfr rgb rge rgf rgg rgh rgn rgo rgr rh- rhb rhe rhf rhg rhh rhn rho rhr rnb rng rnh rnn rno rnr rob roe rof rog roh ron roo ror rrb rrf rrg rrh rrn rrr